221777572

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{353149}}^1$

素因数の和:353310

約数の個数: 12

約数和(自身を含む): 390583900

約数和(自身を除く): 168806328

約数列:

[1, 2, 4, 157, 314, 628, 353149, 706298, 1412596, 55444393, 110888786, 221777572]

約数ペア:

[(1, 221777572), (2, 110888786), (4, 55444393), (157, 1412596), (314, 706298), (628, 353149)]